We have a point P with coordinates P (-3, 5)
We have to find its reflection across the y - axis.
For a point P(x, y), its reflection across the y - axis is P'(- x, y).
According to the question, we have the following point P ( - 3, 5).
The reflection of this point across the y - axis will be -
P (- 3, 5) ↔ P' (3, 5)
Hence, the reflection of the point P(- 3, 5) will be P'(3, 5).
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